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单词
coefficient of utilization
释义
coefficient of utilization
Encyclopedia
工学
照明计算
释
coefficient of utilization; CU
利用系数
灯具的利用系数为工作面上所接收到的光通量与灯具中光源的总光通量的比值。工作面上所接收到的光通量包括灯具所提供的直射光通量以及经空间各面反射后到达工作面的光通量，因而利用系数既受灯具本身影响，也受空间尺寸以及各个面反射率的影响。
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